Other (Income) Expense, Net - Summary of Other (Income) Expense, Net (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Other Income and Expenses [Abstract]
Other expense	$ 5.5	$ 8.0
Other income	(11.1)	(4.3)
Other (income) expense, net	$ (5.6)	$ 3.7